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git-gui: Add a Tools menu for arbitrary commands.
[git.git] / lib / tools.tcl
1 # git-gui Tools menu implementation
2
3 proc tools_list {} {
4         global repo_config
5
6         set names {}
7         foreach item [array names repo_config guitool.*.cmd] {
8                 lappend names [string range $item 8 end-4]
9         }
10         return [lsort $names]
11 }
12
13 proc tools_populate_all {} {
14         global tools_menubar tools_menutbl
15         global tools_tailcnt
16
17         set mbar_end [$tools_menubar index end]
18         set mbar_base [expr {$mbar_end - $tools_tailcnt}]
19         if {$mbar_base >= 0} {
20                 $tools_menubar delete 0 $mbar_base
21         }
22
23         array unset tools_menutbl
24
25         foreach fullname [tools_list] {
26                 tools_populate_one $fullname
27         }
28 }
29
30 proc tools_create_item {parent args} {
31         global tools_menubar tools_tailcnt
32         if {$parent eq $tools_menubar} {
33                 set pos [expr {[$parent index end]-$tools_tailcnt+1}]
34                 eval [list $parent insert $pos] $args
35         } else {
36                 eval [list $parent add] $args
37         }
38 }
39
40 proc tools_populate_one {fullname} {
41         global tools_menubar tools_menutbl tools_id
42
43         if {![info exists tools_id]} {
44                 set tools_id 0
45         }
46
47         set names [split $fullname '/']
48         set parent $tools_menubar
49         for {set i 0} {$i < [llength $names]-1} {incr i} {
50                 set subname [join [lrange $names 0 $i] '/']
51                 if {[info exists tools_menutbl($subname)]} {
52                         set parent $tools_menutbl($subname)
53                 } else {
54                         set subid $parent.t$tools_id
55                         tools_create_item $parent cascade \
56                                         -label [lindex $names $i] -menu $subid
57                         menu $subid
58                         set tools_menutbl($subname) $subid
59                         set parent $subid
60                         incr tools_id
61                 }
62         }
63
64         tools_create_item $parent command \
65                 -label [lindex $names end] \
66                 -command [list tools_exec $fullname]
67 }
68
69 proc tools_exec {fullname} {
70         global repo_config env current_diff_path
71         global current_branch is_detached
72
73         if {[is_config_true "guitool.$fullname.needsfile"]} {
74                 if {$current_diff_path eq {}} {
75                         error_popup [mc "Running %s requires a selected file." $fullname]
76                         return
77                 }
78         }
79
80         if {[is_config_true "guitool.$fullname.confirm"]} {
81                 if {[ask_popup [mc "Are you sure you want to run %s?" $fullname]] ne {yes}} {
82                         return
83                 }
84         }
85
86         set env(GIT_GUITOOL) $fullname
87         set env(FILENAME) $current_diff_path
88         if {$is_detached} {
89                 set env(CUR_BRANCH) ""
90         } else {
91                 set env(CUR_BRANCH) $current_branch
92         }
93
94         set cmdline $repo_config(guitool.$fullname.cmd)
95         if {[is_config_true "guitool.$fullname.noconsole"]} {
96                 exec sh -c $cmdline &
97         } else {
98                 regsub {/} $fullname { / } title
99                 set w [console::new \
100                         [mc "Tool: %s" $title] \
101                         [mc "Running: %s" $cmdline]]
102                 console::exec $w [list sh -c $cmdline]
103         }
104
105         unset env(GIT_GUITOOL)
106         unset env(FILENAME)
107         unset env(CUR_BRANCH)
108 }